package com.heima.user.service.Impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.model.user.vos.LoginVO;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    @Override
    public ResponseResult login(LoginDto dto) {
        //1.正常登录（手机号+密码登录）
        if(!StringUtils.isBlank(dto.getPassword()) && !StringUtils.isBlank(dto.getPhone())){

            //1.1根据手机号查询用户
            ApUser apUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, dto.getPhone()));
            if(apUser == null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户信息不存在");
            }
            //1.2 比对密码
            String salt = apUser.getSalt();
            String password = dto.getPassword();
            String pswd = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if(!pswd.equals(apUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            String token = AppJwtUtil.getToken(apUser.getId().longValue());
            apUser.setPassword("");
            apUser.setSalt("");
            LoginVO loginVO= LoginVO
                    .builder()
                    .token(token)
                    .user(apUser)
                    .build();
            return ResponseResult.okResult(loginVO);
        }else {
            //2.游客登录
            //2.游客  同样返回token  id = 0
            String token = AppJwtUtil.getToken(0L);
            LoginVO loginVO= LoginVO
                    .builder()
                    .token(token)
                    .build();
            return ResponseResult.okResult(loginVO);
        }

    }
}
